Seat



FIG. 1 is a left front perspective view of a seat showing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a side elevational view, the opposite side being a mirror image thereof; and,

FIG. 4 is a rear elevational view thereof.

The views of the seat not shown form no part of the claimed design. The broken lines depicting feet represent environmental elements only and form no part of the claimed design. 

The ornamental design for a seat, as shown and described. 